BC: Photos in this project from Flickr Creative Commons by: Samuraijohnny, Katie Brady, MiK, Ross Catrow, zenobia_joy, shuttermonkey, Lance Fisher, Alisha Vargas, Sandmonster, Leo Seta, Randall Cooper, Paul Keleher, Joseph Rosell, Les Chatfield, Monkey Myshkin, shoothead, William Warby, Gabriel Pollard, Luis Argerich, tanakawho, Sam Jordan, Kevin Lawver, Randen Pederson, Corrine Johnson. These photos licensed with either an attribution, attribution/no derivatives, or attribution/non-derivative/share-alike license. All rights retained by the respective owners.
FC: Simple Machines by Jim Holland
1: The Six Simple Machines: 1. Pulley 2. Lever 3. Screw 4. Wheel & Axle 5. Inclined Plane 6. Wedge
3: A pulley is a simple machine that uses grooved wheels and a rope to raise, lower or move a load.
4: A lever is a stiff bar that rests on a support called a fulcrum which lifts or moves loads.
7: A screw is an inclined plane wrapped around a pole which holds things together or lifts materials
8: A wheel with a rod, called an axle, through its center lifts or moves loads.
9: Wheel & Axle
10: Inclined Plane
11: An inclined plane is a slanting surface connecting a lower level to a higher level.
12: A wedge is an object with at least one slanting side ending in a sharp edge, which cuts material apart